JNZQ-1 STEAM CLEANING MACHINE It use full import control parts with the feature of water scarcity,over pressure, over heating JNZQ- ... 1 STEAM CLEANING MACHINEIt use full import control parts with the feature of waterscarcity,over pressure, over heating protectand full ... itsnotable feature.New structure, the water tank all,in one with the machine, easy to operate.The steam boiler is designed and ...